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There are literally millions of passive and active electronic components, we stock the best and most popular for use in your projects.

Active electronic components in this category include analog to digital converters, voltage regulators, diodes, transistors and opto-isolators. The passive electronics components in this category comprise of super capacitors, resistors and potentiometers.

We have a great selection of the most popular programmable PIC micro controllers including ATMEL MCUs.

We stock the most commonly used switches and buttons, from big dome push buttons and arcade buttons to tactile switches and micro switches, plus a staggering array of LEDs.

  • 5-Way Tactile Switch - Buttons

    5-way Tactile Switch

    Generic / OEM
    £2.48 inc VAT
    £2.07 ex VAT

    DESCRIPTION Sometimes you want a small input and a single button just won't cut it. A 5-way tactile switch allows for a joystick-like interface in...

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    £2.48 inc VAT
    £2.07 ex VAT
  • Big Dome Push Button - Blue With Clear Case Rim - Buttons
    Save 23%

    Big Dome Push Button - Blue with Clear Case Rim

    Cool Components
    £3.98 inc VAT
    £3.07 inc VAT
    £2.56 ex VAT
    1 review

    DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm (outside diameter) dome illuminated push button with a cl...

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    £3.98 inc VAT
    £3.07 inc VAT
    £2.56 ex VAT
    Save 23%
  • Tactile Buttons X4 - Buttons
    Save 22%

    Tactile Buttons x4

    Cool Components
    £6.13 inc VAT
    £4.78 inc VAT
    £3.98 ex VAT

    DESCRIPTION Colours may vary from image shown.

    £6.13 inc VAT
    £4.78 inc VAT
    £3.98 ex VAT
    Save 22%
  • Switch - 4 Way Dip - Switches
    Save 47%

    Switch - 4 Way, DIP

    Generic / OEM
    £0.72 inc VAT
    £0.38 inc VAT
    £0.32 ex VAT
    1 review

    DESCRIPTION This 4 way DIP switch has 4 slider switches and enables you to customise the behaviour of electronic devices for specific situations. I...

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    £0.72 inc VAT
    £0.38 inc VAT
    £0.32 ex VAT
    Save 47%
  • Big Dome Push Button - White With Clear Case Rim - Buttons
    Sold out

    Big Dome Push Button - White with Clear Case Rim

    Cool Components
    £7.99 inc VAT
    £6.66 ex VAT
    1 review

    DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm (outside diameter) dome illuminated push button with a cl...

    View full details
    £7.99 inc VAT
    £6.66 ex VAT
    Sold out
  • Big Dome Push Button - Yellow With Clear Case Rim - Buttons
    Save 23%

    Big Dome Push Button - Yellow with Clear Case Rim

    Cool Components
    £3.98 inc VAT
    £3.07 inc VAT
    £2.56 ex VAT

    DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm (outside diameter) dome illuminated push button with a cl...

    View full details
    £3.98 inc VAT
    £3.07 inc VAT
    £2.56 ex VAT
    Save 23%
  • Breakout Board For Thumb Joystick (Bob-09110) - Buttons

    Breakout Board for Thumb Joystick (BOB-09110)

    SparkFun
    £1.85 inc VAT
    £1.54 ex VAT

    DESCRIPTION This is the breakout board for the thumb joystick. Pins are broken out to a 0.1" header and the board includes 4 mounting holes in the ...

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    £1.85 inc VAT
    £1.54 ex VAT
  • Button Pad 4X4 - Led Compatible (Com-07835) - Buttons

    Button Pad 4x4 - LED Compatible (COM-07835)

    SparkFun
    £5.77 inc VAT
    £4.81 ex VAT

    DESCRIPTION This is a translucent silicon rubber button pad with 16 buttons originally inspired by the folks at monome.org. Each button has a hole ...

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    £5.77 inc VAT
    £4.81 ex VAT
  • Button Pad 2X2 - Breakout Pcb (Com-09277) - Buttons
    Save 22%

    Button Pad 2x2 - Breakout PCB (COM-09277)

    SparkFun
    £4.68 inc VAT
    £3.65 inc VAT
    £3.04 ex VAT

    DESCRIPTION This is a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are sold...

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    £4.68 inc VAT
    £3.65 inc VAT
    £3.04 ex VAT
    Save 22%
  • Microswitch - Spdt - Switches
    Save 71%

    Microswitch - SPDT

    Generic / OEM
    £0.48 inc VAT
    £0.14 inc VAT
    £0.12 ex VAT
    1 review

    DESCRIPTION This is a 3-terminal microswitch. These switches have a great 'clicky' sound to them with a nice tactile feel and are perfect when used...

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    £0.48 inc VAT
    £0.14 inc VAT
    £0.12 ex VAT
    Save 71%
  • Unipolar Hall Effect Switch (H501) - Component
    Sold out

    Unipolar Hall Effect Switch (H501)

    PIC
    £2.45 inc VAT
    £2.04 ex VAT

    DESCRIPTION ON when exposed to a sufficiently strong magnetic south pole, OFF when the magnetic field strength is reduced. Sensitivity is at its hi...

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    £2.45 inc VAT
    £2.04 ex VAT
    Sold out
  • Led Tactile Button - Blue (Com-10443) - Leds
    Save 21%

    LED Tactile Button - Blue (COM-10443)

    SparkFun
    £2.30 inc VAT
    £1.81 inc VAT
    £1.51 ex VAT

    DESCRIPTION This is a simple LED-illuminated tactile button with a clear cap. It's just like a basic tactile button, but it lights up blue! So now...

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    £2.30 inc VAT
    £1.81 inc VAT
    £1.51 ex VAT
    Save 21%
  • Button Pad 4X4 - Breakout Pcb (Com-08033) - Buttons

    Button Pad 4x4 - Breakout PCB (COM-08033)

    SparkFun
    £7.91 inc VAT
    £6.59 ex VAT

    DESCRIPTION This is a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are sold...

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    £7.91 inc VAT
    £6.59 ex VAT
  • Tilt Switch - 15 Degrees - Buttons
    Save 17%

    Tilt Switch - 15 degrees

    Generic / OEM
    £2.23 inc VAT
    £1.84 inc VAT
    £1.53 ex VAT

    DESCRIPTION These operate when tilted from the horizontal position. The switch movement required to cause contact change is called the differential...

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    £2.23 inc VAT
    £1.84 inc VAT
    £1.53 ex VAT
    Save 17%
  • Right Angle Tactile Button (Com-10791) - Buttons
    Save 23%

    Right Angle Tactile Button (COM-10791)

    SparkFun
    £0.40 inc VAT
    £0.31 inc VAT
    £0.26 ex VAT
    1 review

    DESCRIPTION This right-angle tactile switch has a great 'click' to it. Also, because it's a through-hole design it's very sturdy. Mount it on the ...

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    £0.40 inc VAT
    £0.31 inc VAT
    £0.26 ex VAT
    Save 23%
  • Led Tactile Button - Red (Com-10442) - Leds
    Save 21%

    LED Tactile Button - Red (COM-10442)

    SparkFun
    £2.30 inc VAT
    £1.81 inc VAT
    £1.51 ex VAT

    DESCRIPTION This is a simple LED-illuminated tactile button with a red cap. It's just like a basic tactile button, but it lights up red! So now yo...

    View full details
    £2.30 inc VAT
    £1.81 inc VAT
    £1.51 ex VAT
    Save 21%
  • Led Tactile Button - Green (Com-10440) - Leds
    Save 21%

    LED Tactile Button - Green (COM-10440)

    SparkFun
    £2.30 inc VAT
    £1.81 inc VAT
    £1.51 ex VAT

    DESCRIPTION This is a simple LED-illuminated tactile button with a green cap. It's just like a basic tactile button, but it lights up green! So no...

    View full details
    £2.30 inc VAT
    £1.81 inc VAT
    £1.51 ex VAT
    Save 21%
  • Led Tactile Button Breakout - Leds

    LED Tactile Button Breakout

    Generic / OEM
    £1.45 inc VAT
    £1.21 ex VAT
    1 review

    DESCRIPTION This simple breakout board makes it easy to use our LED tactile switches on a breadboard, or on your next project. Please Note: Popula...

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    £1.45 inc VAT
    £1.21 ex VAT
  • Switch - Tactile 4.3Mm Spno - Switches
    Sold out

    Switch - Tactile 4.3mm SPNO

    MULTICOMP
    £0.49 inc VAT
    £0.41 ex VAT

    DESCRIPTION The MCDTS2 series Tactile Switch with SPNO (single pole normally open) contact arrangement and silver-clad brass terminals. Due to the ...

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    £0.49 inc VAT
    £0.41 ex VAT
    Sold out
  • Motorized Slide Potentiometer - 10KΩ Linear with 5V DC Motor - Component

    Motorized Slide Potentiometer - 10KΩ Linear with 5V DC Motor

    Adafruit
    £26.99 inc VAT
    £22.49 ex VAT

    DESCRIPTION This linear slide potentiometer comes with an added kick - it's not just a plain old slide pot! Underneath is mounted a slim geared DC ...

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    £26.99 inc VAT
    £22.49 ex VAT